AutomaticFacet

import {AutomaticFacet as HeadlessAutomaticFacet} from '@coveo/headless';
import {FunctionComponent, useEffect, useState} from 'react';
 
interface AutomaticFacetProps {
  controller: HeadlessAutomaticFacet;
}
 
export const AutomaticFacet: FunctionComponent<AutomaticFacetProps> = (
  props
) => {
  const {controller} = props;
  const [state, setState] = useState(controller.state);
 
  useEffect(() => controller.subscribe(() => setState(controller.state)), []);
 
  return (
    <ul>
      {state.values.map((value) => (
        <li key={value.value}>
          <input
            type="checkbox"
            checked={value.state === 'selected'}
            onChange={() => controller.toggleSelect(value)}
          />
          {value.value} ({value.numberOfResults} results)
        </li>
      ))}
    </ul>
  );
};

import {AutomaticFacetGenerator as HeadlessAutomaticFacetGenerator} from '@coveo/headless';
import {FunctionComponent, useEffect, useState} from 'react';
import {AutomaticFacet as AutomaticFacetFn} from '../automatic-facet/automatic-facet.fn';
 
interface AutomaticFacetGeneratorProps {
  controller: HeadlessAutomaticFacetGenerator;
}
 
export const AutomaticFacetGenerator: FunctionComponent<
  AutomaticFacetGeneratorProps
> = (props) => {
  const {controller} = props;
  const [state, setState] = useState(controller.state);
 
  useEffect(() => controller.subscribe(() => setState(controller.state)), []);
 
  const automaticFacets = state.automaticFacets.map((facet) => {
    return (
      <AutomaticFacetFn
        key={facet.state.field}
        controller={facet}
      ></AutomaticFacetFn>
    );
  });
  return <div>{automaticFacets}</div>;
};
 
// usage
 
/**
 * ```tsx
 * const props: AutomaticFacetGeneratorProps = {desiredCount: 5}
 * const controller = buildAutomaticFacetGenerator(engine, props);
 *
 * <AutomaticFacetGenerator controller={controller} />;
 * ```
 */